TSD Relative Speed 3 | CAT Preparation 2024 | Arithmetic

TSD Relative Speed 3 | CAT Preparation 2024 | Arithmetic | Quantitative Aptitude

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CAT PREPARATION 2024 I QUANTITATIVE APTITUDE PREPARATION for CAT 2024
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Пікірлер: 146

@abhishekmahur2662 4 жыл бұрын

5:9 will be the correct answer for qs1.

@vins686 3 жыл бұрын

I am preparing for CAT 2020. This is my 120th lecture of 192. Commenting so that I see it the future and praise Ravi Sir.

@vins686 3 жыл бұрын

Here after CAT 2020!

@amankumar-gv7yx 3 жыл бұрын

@@vins686 how much did you score?

@vins686 3 жыл бұрын

@@amankumar-gv7yx 87 percentile 😔

@kishankumaragarwal7768 3 жыл бұрын

@@vins686 giving cat again?

@vins686 3 жыл бұрын

@@kishankumaragarwal7768 obviously yes!!

@sanjaic7460 3 ай бұрын

I'm watching this video in 2024 and I'm going to appear for CAT 2024 and i thank you sir for your teaching and hopefully i learn from your videos to get a good percentile in CAT with all my efforts and will be graceful for your efforts in making those videos.

@Tushar_goswami_00 3 ай бұрын

self or coaching?

@sanjaic7460 3 ай бұрын

@@Tushar_goswami_00 self

@nileshpatel8133 4 жыл бұрын

The Mathis of teaching is the best.My daughter is preparing for Campos placement. She goes in coaching classes for stranthning apptitude. she told me her dought. So I advised her to see CAT APPTITUDE by RODHA.After a day she told me that going in coaching classes is simply wastage of time,money& energy.you are simply better than the best.

@bibhutikumarsingh9899 4 жыл бұрын

Same Here I too Wasted my 50k for CAT preparation. Ravi sir is a great teacher.

@abhishekmahur2662 4 жыл бұрын

@@bibhutikumarsingh9899 Me too ;C

@sheetaljain4288 2 жыл бұрын

I too wasted but not in offline coaching, I wasted my amount in gradeup subscription. While taking gradeup classes I found that teacher, in online classroom program at gradeup (now Byju's) , runs behind syllabus and doesn't take good questions to make your concepts clear. I highly suggest not to take any online as well as offline classroom program. Ravi Sir's video are enough for every competitive exam.

@Randomworldindia 2 жыл бұрын

@@sheetaljain4288 unacademy is amazing for CAT ravi sir and other teachers are just beyond the words

@aishwaryar9296 Жыл бұрын

Amazing explanation. One of the best teacher ever.

@arunadityarajjain1129 3 жыл бұрын

Ravi travelled from Bangalore to Pondicherry? Was it a personal experience, Sir? :p

@sumitbhagat3779 Жыл бұрын

😂

@sumitbhagat3779 Жыл бұрын

Nice interpretation 😊

@rajashreesaha439 10 ай бұрын

Took an hour to understand this ,just because Ravi sir said it’s important 💯✨

@saiyashwanth111 3 жыл бұрын

Brilliant question to clear all conceptual doubts🙏

@miteshshinde1366 Жыл бұрын

a simple way to solve is distance is constant i.e. 45 km so ratio of minimum time to maximize time will be ratio of minimum speed to maximize speed (30+45)/(90+45)

@pothurumeghana3509 Жыл бұрын

How will it be the ratio of speed min to speed max? As speed is inversely proportional to time we have to calculate ratio of speed max to speed min which would be wrong

@rahulshrivastava8720 4 жыл бұрын

Best question to understand TSD

@jaichachlani3879 2 жыл бұрын

Lovely question, lovely explanation! Thank you so much for province us quality content!🙏

@Eth_com Жыл бұрын

Beautifully explained sir ❤❤🙏🙏🙏🙏🙏🙏🙏🙏🙏

@subhammajumdar2214 3 жыл бұрын

Sir, the first question's answer should be 5:9 I suppose. Because it's 20:36. But you as usual taught like a champ

@abeginnerspov5968 3 жыл бұрын

yep, mistake, but its okay. we understood the concept

@o_StormYT 5 ай бұрын

shouldn't be the ratio of 72:36 as 2:1 because question says consecutive buses

@SushilKumar-gy9tf 2 ай бұрын

@@o_StormYTno bcz, 2 sets of consecutive which are minimum and maximum is asked.

@bitanroy4602 2 жыл бұрын

1st question was such amazing

@kshitijshekhar662 3 жыл бұрын

If we only had to find the number of busses crosses, could we do it with the concept of avg. speed for Ravi's car? As the busses are moving at a constant speed

@ishajain5828 3 жыл бұрын

Thank you so much Sir ❤🤘

@aesthelon 10 ай бұрын

ravi went from peace to rage mode

@manoj4730 2 жыл бұрын

Yes sir good question

@varunrajpurohit9866 Жыл бұрын

Is it good to prepare for cat from class 11 and how should one start

@devanshgupta6787 8 ай бұрын

Insane question

@---gl9xv 4 жыл бұрын

Direct soln, time is inversely proportional to speed, highest RS = 135, lowes RS = 75, 1/135:1/75 = 5:9

@thegreat672 4 жыл бұрын

Is it realiable ? And also u have to do the whole process for the second part 🙄🤔

@lasaacademy Жыл бұрын

This questions even more simple when you use Distance is constant concept That is Between two buses distance is same So distance is constant between two meetings (Remember relative distance) So time is inversely proportional to speed So ratio of time = ratio of inversely of speeds Time minimum when speed maximum and vice versa So T min / T max = S min / S max = 30+45 / 90+45 = 5 : 9 This is the answer (simple na) Remmner to check When car speed is 30 the meetings occur atleast twice or not Since they first meet at 3:10 so next meeting will be before 5 pm So there must be atleast 2 meeting So above answer is correct

@lasaacademy Жыл бұрын

I am not insulting sir Even I learned this trick from ravi sir I think he missed the trick here Great teacher you are Thank you very much sir

@googleretriever8983 Жыл бұрын

m surprised by this fact thank u so much for such an easy explanation rodha 2.0 lol

@selinakaushik1096 12 күн бұрын

but since speed is inversely proportional to time, the answer would come out like speed max/speed min = time min/time max ie (45+90)/(45+30) that comes out to be 9:5 which is not correct since the answer is 5:9

@lifestyle_vlogs5 Жыл бұрын

Very good question with good concept ❤️

@ishaanrohmetra3447 Жыл бұрын

In this playlist, time and work speed time distances, trains and boats and streams are fully covered?

@saimathar007 Жыл бұрын

Sir 1st bus and 13 bus meeting consecutive kaise hogi ye nhi smjh aya.

@gautamgautamkrishna 3 жыл бұрын

This is like the 'Bug' episode of BrBa

@badbot1810 11 күн бұрын

super question

@meetparmar2363 3 жыл бұрын

Super❤️❤️❤️❤️❤️❤️

@udaybhaskar6667 5 ай бұрын

i will leave this question if i got in exam

@abeginnerspov5968 3 жыл бұрын

1st qs, 5:9

@7856abc 7 ай бұрын

Sir in 3rd case why u r taking till 10 pm, in question it is upto 11 pm then number of buses will change and ratio become different in 2 nd question

@shubhammishra-xz6ib 2 жыл бұрын

Bus are leaving every hour not after crossing Davis car. So @3:12 second bus should have moved some distance

@ShubhamSingh-hs2cc 2 жыл бұрын

good point bro

@sreejeshsharmas Ай бұрын

But still the distance between 2 consecutive buses will be 45km only as speed is const and they leave every hour,right?

@7856abc 7 ай бұрын

2:4:3ans of second questionof 1....

@surajalwayslight5707 11 ай бұрын

Sir after 8pm how can he meet bus

@roshanbarnwal5763 Жыл бұрын

Sir the answer for the first part will be 5:18

@Ankit-lf9xm 11 ай бұрын

the first question should be in DI

@HumanoidRobo 4 жыл бұрын

Sir the maximum time is 72 mins so the ratio to min : max = 12:72 = 1:6

@sujiths4409 4 жыл бұрын

not time, it is time interval.

@bijoylove123 4 жыл бұрын

Sir its time "interval"...so v need to check the maximum and minimum interval of time taken for these two objects to meet...

@aditigoyal9289 11 ай бұрын

sir maximum time interval should be 1 hr 12 min that car took for the 1st meeting, then why did you take 36 min as maximum time interval?

@gsan2049 10 ай бұрын

In the qs it was asked time interval between two consecutive meetings.since there is no meeting at 2pm .It is not considered as per the qs.Hope it is helpful

@arpanpradhan187 3 күн бұрын

What's the point of consecutive here?

@xszdfrwadqf6561 2 жыл бұрын

cet puzzle level question

@kritikasingh7992 3 жыл бұрын

Last bus at 8pm , there is no need to calculate further sir

@abhinavjain8770 3 жыл бұрын

exactly

@arunadityarajjain1129 3 жыл бұрын

@@abhinavjain8770 Last bus is at 8 pm but the car will not meet that last last bus at 8 pm, so there is a need.

@satyasandeep5503 3 жыл бұрын

Those are the timings at which car and corresponding buses (1 to 15 ) have met. The last bus that started at 8 PM met the car at 10 PM.

@kritikasingh7992 3 жыл бұрын

@@satyasandeep5503 got it thanx

@sagarchauhan01 2 жыл бұрын

last bus is at 8 pm , and when ravi at 9pm then how he meet any other bus on the way?

@himanshujaryal7193 24 күн бұрын

Yes last meeting 9:20 pr hogi so 13 buses actually

@viratkohli7210 3 жыл бұрын

I guess they will ist meet ar 320hrs

@caffeineandCozy 3 ай бұрын

sir the ratio is 5:9 not 4:9

@Mechanical_engineer43 16 күн бұрын

5:9 is the correct ratio for 1st question

@paramkude5222 11 ай бұрын

Sir, Isnt the first time interval 72 mins?

@sanskritigoel8777 10 ай бұрын

exactly my doubt

@sanjanasood238 3 жыл бұрын

The last bus from pondicherry is at 8:00PM so total should be 4 +11 buses. Can someone clear it

@anonymity_01 Жыл бұрын

4+7 i guess

@danceworld15 Жыл бұрын

6Am to 8Pm , we have to include both as well so difference+1 👍

@kshitijbalonie4361 4 жыл бұрын

Thankyou sir

@Bhavesh_jattan 2 жыл бұрын

Sir I was also able to do it mentally because of how well you taught this concept but my question is how are we supposed to read such a long question calculate all this and answer in 1.5 mins in CAT

@swatibisht4572 2 жыл бұрын

Better to leave it for last. If you get extra time then only go for it.

@aayushi7874 3 жыл бұрын

Sir ans will be 20/30 =2/3 because the 2 meetings have to be consecutive.

@monishtyagi2354 3 жыл бұрын

13 30 i lost sir

@deepakgulia3863 4 жыл бұрын

At 12 :48 in the forth bus but he maintenance 30kmpl for first 3 hrs and at 5 :00am it is 4 bus at a interval of 1 hr so logically it's speed increase after 4:24 or the third bus pls clr my doubt sir

@mrinfinity521 4 жыл бұрын

at 5pm his speed increases to 45kmpl which results in the increase of relative speed, hence decreasing time interval

@mkhanna4434 4 жыл бұрын

I am cannot able to understand ,the how to equating time of 2pm (car) and bus(6am)..how we equate time ..as 2pm..please sir,help ..me sir

@deepakagrawal224 4 жыл бұрын

6am to 6pm = 12hr , 6pm-4hr =2pm so 12-4 = 8hr

@shriyanshtiwari2610 2 жыл бұрын

you can try using 24hrs time method rather than 12 hours like instead os using 2pm use it as 14:00 and 6pm as 18:00 by this way u can take out the time difference easily. hope it helps :)

@crypticguy623 Жыл бұрын

5:9 is answer

@abeginnerspov5968 3 жыл бұрын

at 1.5x speed, sir was rapping

@sheetaljain4288 2 жыл бұрын

I watched at 2x still found comfortable.

@Abhijeetkr_2211 5 жыл бұрын

Sir, i can't understand how after 1st meeting the distance is same 45m?

@anjaliwani1799 4 жыл бұрын

speed of each bus is 45km/hr and each bus starts after 1 hr .. so distance = 45km/hr *1hr= 45km

@kushagra4379 4 жыл бұрын

The first question has asked for the ratio between any 2 consecutive meetings. But sir has taken 36 min and 20min which are not consecutive. Tell me if I'm wrong here.

@swapneelrao8276 3 жыл бұрын

Read the question once again. where do you see the maximum time interval in the meetings? in the beginning right. So answer is 36. Then where do you see the minimum time interval, in the end. So the answer is 20 minutes. Then you take the ratio to get the final answer.

@kushagra4379 3 жыл бұрын

@@swapneelrao8276 are you telling me that the word consecutive has no significance here?

@swapneelrao8276 3 жыл бұрын

@@kushagra4379 it definitely has bro. 20 min and 36min is difference between consecutive meetings only. That is what he has considered.

@anmolratan5217 3 жыл бұрын

@@swapneelrao8276 i think the answer should be 30:20 , because of the word consecutive one option is 36:30 , 2nd is 30:20 , 2nd one has more time difference. if it was not consecutive then it would be 36:20. Correct me if I am wrong. Pay attention on the word consecutive .

@DhanushAdns 3 жыл бұрын

The question is to find the ratio of min and max POSSIBLE TIME INTERVAL between any 2 CONSECUTIVE meetings. The time diff between first and second( or 3rd and 4rth) meeting is 36 mins(which is the maximum). And the time diff between 13rth and 14rth ( or 14rth and 15th) is 20 mins(which is the minimum). Thus 20:36